Blue Dolphin Energy Company engages in the refining and marketing of petroleum products in the United States. The company operates in two segments, Refinery Operations; and Tolling and Terminaling. It produces finished products, including jet fuel, as well as various intermediate products, such as naphtha, heavy oil-based mud blendstock, and atmospheric gas oil; and conducts tolling and terminaling services for third parties at the Nixon facility. The company was incorporated in 1986 and is headquartered in Houston, Texas. Blue Dolphin Energy Company is a subsidiary of Lazarus Energy Holdings, LLC.